The interpretation of radium : being the substance of six free popular experimental lectures delivered at the University of Glasgow, 1908 / by Frederick Soddy ; with illustrations.

  • Soddy, Frederick, 1877-1956.
Date:
1909
Catalogue details

Licence: In copyright

Credit: The interpretation of radium : being the substance of six free popular experimental lectures delivered at the University of Glasgow, 1908 / by Frederick Soddy ; with illustrations. Source: Wellcome Collection.

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    C 7-rays, 43-45 — Radiograph by, 44 Caesium, 102 Calcium, Absorption of gases by, 74, 137 Cascade of changes, roo Cathode-rays, 73-82 Cause of atomic disintegration, . 157 Chance of disintegration, 153 Change, Law of radioactive, 153 Change of radio-elements, 95, 10r, 123, 125 et scq. Chemical nature of radium, 115 Chemists and radioactivity, 148 Conservation of radioactivity, 120 Constancy of radioactivity, 14, 17 32, 33, 37, 61, 93, 94, 105, 123, 230 Control of natural energy, 8, 17, 232, 244, 250 Corpuscular theory of radiation 54, 56-65 Cosmical energy, 33, 164, 233-5, ^ 239 Cost of scientific investigations, 26, 27 Crookes, Sir William, 20, 59, 73, 80, 176 Crookes’ tubes, 73, 81 Curie, M. and Mme., 16, 18, 21, 102, 113, 170, 187, 199 D “ D3” line, I32, 136, 137 Dalton, John, 143, 146 Debiernc, 135 Decay of radioactivity, 94, 118 Definition of the atom, 143-6 Detection of infinitesimal quan- tities, 102, 104, 112, 116, 122, 124, 128, 147-9 Determination of average life, 159 Dewar, Sir James, 74 Discovery of radioactivity, 8 Discrete theory of radium rays, 56, 62 Disintegration, see Atomic dis- integration —, Chance of, 153 Doctrine of energy, 26, 38, 51, 91, 240, 248 E Earth, Age of the, 35, 101, 239 -41 Effects of radioactivity, 11 — 13 Electric current, Action of mag- net on, 70 Electricity, Discharge of, 1 r, 18, 25, 47, 64, 89 Electro-magnet, 66 Electrons, 77-82, 88 Electroscope, Gold leaf, 11, 23, 59) 1 H Elements, Unchanging character of, 97, 99, 220-2 —, Stability of, 98, 211, 220-2 Elixir of life, 243 Emanation of thorium, 187 radium, 105-28 — Condensation of, 109-112 — Physiological action of, 112 — Volume of, 112, 163 — Chemical nature of, 114, 115, 141 — Spectrum of, 115 — Density of, 116 — Heat generated by, 116, 117 226 — Rate of decay of, 119, 121 — Reproduction of, 120, 121, 123, 167 — a-particles from, 188, 198 — Atomic weight of, 140